diff --git a/README.md b/README.md
index 5fade3e..7a07943 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@ This work is a derivative of
 <a href="https://github.com/kamranahmedse/design-patterns-for-humans">
 "Design Patterns for Humans"</a> by <a href="https://github.com/kamranahmedse">
 kamranahmedse</a>, used under
-<a href=https://creativecommons.org/licenses/by/4.0/">CC BY 4.0</a>.
+<a href="https://creativecommons.org/licenses/by/4.0/">CC BY 4.0</a>.
 </p>
 
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